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G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black
G-Shock GM-2100-1AER Watch Black

G-Shock GM-2100-1AER Watch Black

(1,649 reviews)

Carbon-reinforced resin case makes it unsusceptible to cold, heat, and other external influences. Resin bracelet for extreme durability and flexibility. Pin buckle for bracelet. Hard, scratch-resistant mineral glass for superior protection. Background illuminator for visibility in low-light situations. World time function shows up to 31 different time zones. Stop function tells elapsed time, split time, and end time up to 24 hours. Countdown timer can be set every second and up to 24 hours in advance. Multifunctional alarm includes daily alarm, date alarm, monthly alarm, and every day of a specific month. Automatic calendar with date, month, and day of the week. Time display can be set to 12 or 24-hour format. Hand moving function with pointers revealing digital displays. Key tones can be switched on and off. Battery powers the watch for roughly three years. Shockproof. Water-resistant up to 20 bar.

Carbon-reinforced resin case makes it unsusceptible to cold, heat, and other external influences. Resin bracelet for extreme durability and flexibility. Pin buckle for bracelet. Hard, scratch-resistant mineral glass for superior protection. Background illuminator for visibility in low-light situations. World time function shows up to 31 different time zones. Stop function tells elapsed time, split time, and end time up to 24 hours. Countdown timer can be set every second and up to 24 hours in advance. Multifunctional alarm includes daily alarm, date alarm, monthly alarm, and every day of a specific month. Automatic calendar with date, month, and day of the week. Time display can be set to 12 or 24-hour format. Hand moving function with pointers revealing digital displays. Key tones can be switched on and off. Battery powers the watch for roughly three years. Shockproof. Water-resistant up to 20 bar.

$44.12 - $1,274.92

in 92 offers

Colour:

G-Shock GM-2100B-4AER Watch - Metal Covered Casioak
G-Shock GM2100 Metal Silver Men's Watch
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM2100N-2A
G-Shock GM2100MF-5A Midnight Fog Watch
G-Shock Casioak GM2100B Series 3A_Green/Black
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A

G-Shock GM-2100-1AER Watch Black

$44.12

(1,649 reviews)

Carbon-reinforced resin case makes it unsusceptible to cold, heat, and other external influences. Resin bracelet for extreme durability and flexibility. Pin buckle for bracelet. Hard, scratch-resistant mineral glass for superior protection. Background illuminator for visibility in low-light situations. World time function shows up to 31 different time zones. Stop function tells elapsed time, split time, and end time up to 24 hours. Countdown timer can be set every second and up to 24 hours in advance. Multifunctional alarm includes daily alarm, date alarm, monthly alarm, and every day of a specific month. Automatic calendar with date, month, and day of the week. Time display can be set to 12 or 24-hour format. Hand moving function with pointers revealing digital displays. Key tones can be switched on and off. Battery powers the watch for roughly three years. Shockproof. Water-resistant up to 20 bar.

Carbon-reinforced resin case makes it unsusceptible to cold, heat, and other external influences. Resin bracelet for extreme durability and flexibility. Pin buckle for bracelet. Hard, scratch-resistant mineral glass for superior protection. Background illuminator for visibility in low-light situations. World time function shows up to 31 different time zones. Stop function tells elapsed time, split time, and end time up to 24 hours. Countdown timer can be set every second and up to 24 hours in advance. Multifunctional alarm includes daily alarm, date alarm, monthly alarm, and every day of a specific month. Automatic calendar with date, month, and day of the week. Time display can be set to 12 or 24-hour format. Hand moving function with pointers revealing digital displays. Key tones can be switched on and off. Battery powers the watch for roughly three years. Shockproof. Water-resistant up to 20 bar.

Colour:
G-Shock GM-2100B-4AER Watch - Metal Covered Casioak
G-Shock GM2100 Metal Silver Men's Watch
G-Shock GM-2100N-2AER Watch Blue
G-Shock GM2100N-2A
G-Shock GM2100MF-5A Midnight Fog Watch
G-Shock Casioak GM2100B Series 3A_Green/Black
Casio G-Shock Resin & Stainless Steel Watch - GM2100-1A

Price comparison

Last updated at 18/10/2025 19:34:24

Amazon.com.au

$297.00

Go to store


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Amazon

$831.69

available 6 days ago

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eBay - thewristoutlet

$40.40

available 1 day ago

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eBay - mrsshoppe

$44.12

Go to store


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eBay - cb_watches

$44.41

available 1 day ago

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eBay - myh_trading

$49.93

available 1 day ago

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eBay - auctionclearances

$54.87

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eBay - jagrfannj

$59.10

available 1 day ago

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eBay - healthandstyle

$59.95

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AliExpress

$62.99

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$380.17

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$330.69

available 17 days ago

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$351.60

available 17 days ago

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Watchello

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$429.00

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$312.77

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$473.99

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BanzaiHobby

$359.26

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$295.80

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Up to 3.6% Cashback

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$280.00

available 18 days ago

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eBay - merikai_jp

$330.30

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CalderoneWatchCo

$359.00

available about 1 month ago

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fashemco.com

$463.95

available about 2 months ago

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$295.00

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$454.00

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au.ShopBetter24.com

$289.00

available 2 months ago

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Price history

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​

Price history

​
​

Reviews

A great and versatile everyday watch
2 March 2023
Jair

originally posted on dillards.com

Awesome watch
8 September 2022
Finlay G.

originally posted on g-shock.co.uk

Beautiful metal covered G-shock
5 February 2023
Sam-W

originally posted on debenhams.com

Specification

Diameter44.4 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Digital
Chronograph and timersStopwatch /Chronograph - 1/100 seconds 24 hours

Price comparison

Updated about 6 hours ago
Amazon.com.au

$297.00

Amazon

$831.69

Low Stock
eBay - thewristoutlet

$40.40

Low Stock
eBay - mrsshoppe

$44.12

eBay - cb_watches

$44.41

Low Stock

See 24 more history offers

Xtreme Communications

$308.00

Low Stock
Orologeria Johnny SNC

$211.25

Low Stock
RedDeerWatches.com

$315.74

Low Stock
HushHush

$289.00

Low Stock
eBay - dongdemun

$380.17

Low Stock
eBay - annmarket

$330.69

Low Stock
eBay - best-partner365

$351.60

Low Stock
Watchello

$378.00

Low Stock
Ozsale

$429.00

Low Stock

shopback

Up to 4.2% Cashback

gfactorybalkans.com

$434.92

Low Stock
Azura Runway

$345.00

Low Stock
Kadina Jewellers

$299.00

Low Stock
eBay - watches2u_uk

$349.77

Low Stock
HHV

$312.77

Low Stock
eBay - japan_store_025

$473.99

Low Stock
BanzaiHobby

$359.26

Low Stock
MyDeal

$295.80

Low Stock

shopback

Up to 3.6% Cashback

eBay - mbrider70

$280.00

Low Stock
eBay - merikai_jp

$330.30

Low Stock
CalderoneWatchCo

$359.00

Low Stock
fashemco.com

$463.95

Low Stock
PrettyNetty.com

$295.00

Low Stock
DailyWatch ApS

$454.00

Low Stock
au.ShopBetter24.com

$289.00

Low Stock

Price history

​
​

Price history

​
​

Reviews

A great and versatile everyday watch
2 March 2023
Jair
originally posted on dillards.com
Awesome watch
8 September 2022
Finlay G.
originally posted on g-shock.co.uk
Beautiful metal covered G-shock
5 February 2023
Sam-W
originally posted on debenhams.com
Classy & Sporty - Best of Both Worlds
8 January 2022
Vic559
originally posted on jared.com
Gorgeous New Design G Shock
8 March 2023
S Iqbal
originally posted on myer.com.au
Legibility problems
27 March 2023
originally posted on g-shock.co.uk
Looks even better than in the photos
11 April 2023
originally posted on Ernest Jones
Massively Impressed for the Price
3 January 2023
originally posted on H.Samuel - The Jeweller
Review Title
20 December 2022
originally posted on firstclasswatches.co.uk
Review Title
4 April 2022
Anonymous
originally posted on firstclasswatches.co.uk

Specification

Diameter44.4 mm
Water Resistance20 Bar (Dive)
Timehours - Analogue hand
CalendarDate - Digital
Chronograph and timersStopwatch /Chronograph - 1/100 seconds 24 hours